.chat {
    width: 967px;
    height: 600px;
    margin: 0 auto;
    background: #282d45;
    line-height: 1.5;
    font-style: normal;
    font-variant: normal;
    font-weight: 400;
}
.chat-left {
    float: left;
    width: 178px;
}
.chat-left-title {
    padding-top: 23px;
    padding-bottom: 15px;
    background: #414a73;
    height: 50px;
}
.chat-left-title span {
    font-size: 14px;
    color: white;
}
.chat-switch {
    padding-top: 12px;
    border-bottom: 1px solid #1f233a;
    zoom: 1;
    position: relative;
    background-color: #282d45;
}
.chat-switch i {
    position: absolute;
    left: 89px;
    top: 13px;
    width: 0;
    height: 20px;
    border-right: 1px dotted #1f233a;
}
.chat-switch-msg {
    background-position: center top;
    background-repeat: no-repeat;
}
.chat-switch-friend {
    background-position: center top;
    background-repeat: no-repeat;
}
.chat-switch a {
    display: block;
    width: 50%;
    float: left;
    padding-bottom: 8px;
    height: 23px;
    border-bottom: 3px solid #282d45;
    outline: 0;
}
.nano-content {
    overflow: hidden;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}
.chat-users-row {
    height: 45px;
    border-bottom: 1px dotted #1f233a;
    padding-top: 8px;
    padding-bottom: 8px;
    padding-right: 4px;
    position: relative;
    zoom: 1;
    cursor: pointer;
    background-color: #282d45;
    color: white;
}
.chat-right {
    margin-left: 178px;
    height: 600px;
    width: 602px;
    background: #f8f8f8;
    border-top: 1px solid #cfcfcf;
    border-right: 1px solid #cfcfcf;
    border-bottom: 1px solid #cfcfcf;
}
.chat-right-head {
}
.close_button {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-size: cover;
    float: right;
    margin: 7px;
}
.chat-right-panel {
    margin-top: 50px;
    margin-bottom: 16px;
    width: 602px;
    position: relative;
    background: #fff;
    border: 1px solid #ccc;
    height: 550px;
}
.nano {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.chat-messages {
    height: 400px;
}
.chat-textarea-div{
    height: 100px;
}
.chat-nano-content {
    position: absolute;
    overflow: scroll;
    overflow-x: hidden;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    padding-left: 20px;
    padding-right: 14px;
}
.chat-send {
    border-top: 1px solid #e6e6e6;
    position: relative;
    zoom: 1;
}
.chat-send-textarea {
    width: 100%;
    height: 100%;
    border: none;
    font-size: 14px;
}
.send-biao-qing {
    width: 82px;
    height: 25px;
    background: #427cc4;
    border: 1px solid #386eb1;
    border-radius: 2px;
    float: right;
    margin-right: 12px;
    margin-bottom: 12px;
    cursor: pointer;
    line-height: 25px;
    text-align: center;
    color: #fff;
}
